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pochemuha
3 years ago
14

Write an equation if you have the points (3,6) and (3,-4)

Mathematics
1 answer:
Oduvanchick [21]3 years ago
5 0

Answer: y=6x-12

Step-by-step explanation:

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I need help on this and a few more i have been busy lately
BaLLatris [955]

Answer:

ok so we have to make it so we can get rid of one of the varibles by adding or subtracting

so lets multiply the first one by 4

120x+16y=4160

minus the second one so

108x=2160

divide by 108

x=20

then we just plug in

12(20)+16y=2000

240+16y=2000

-240

16y=1760

divide by 16

y=110

(20,110)

Hope This Helps!!!

8 0
2 years ago
Pls Help meeeee UWU (im gonna die)
Ronch [10]

Answer:

10

Step-by-step explanation:

When you sub in the numbers you get 20 divided by 2

6 0
3 years ago
I have 3 children. Their ages add up to 21, and when multiplied they equal 75. How old are they?
olganol [36]
So represent the ages as x y and z with each being numbers

x+y+z=21
x times y times z=75
this is really tough for elementary school

one way is to find the factors of 75 or the numbers that add up to 75 and trial and error
use whole numbers becuase this is the world of math so


75=1 times 3 times 5 times 5
possible ages are
3,5,5
1,5,15
1,3,25
add them up

3+5+5=13
1+5+15=21 check
1+3+25=29


their ages are 1, 5 and 15
6 0
3 years ago
Read 2 more answers
Find the exact length of the curve. x = 9 + 9t2, y = 6 + 6t3, 0 ≤ t ≤ 4
andrew11 [14]

ANSWER

=102 \sqrt{ 17}

EXPLANATION

The equation of the curve is:

x = 9 + 9 {t}^{2}

y = 6 + 6 {t}^{3}

We differentiate to obtain:

\frac{dx}{dt}  = 18t

\frac{dy}{dt}  = 18t

The length of the arc

l =  \int _0 ^{4}  \sqrt{  {( \frac{dx}{dt} )}^{2} + {( \frac{dy}{dt} )}^{2} } dt

This implies that:

=  \int _0 ^{4}  \sqrt{  {( 18t )}^{2} + {(  {18 {t}^{2} } )}^{2} } dt

= \int _0 ^{4} 18t \sqrt{  1+ { {18 {t}^{2} } }} dt

=102 \sqrt{ 17}

3 0
3 years ago
Levi has a job offer in which he will receive $800 per month plus a commission of 2% of the total price of the cars that he sell
Veseljchak [2.6K]

Answer:

Levi must sell more than 80000 cars per month for the new job to be better than the current job.

Step-by-step explanation:

New Job;

He receives $800 per month plus a commission of 2% or 0.02 of the total price of the cars.

Now, let the total amount he receives in a month be "y" and let the amount of cars sold be x.

Thus;

y = 800 + 0.02x - - - -(eq1)

Current Job:

He receives $1200 per month plus a commission of 1.5% or 0.015 of his total sales.

Thus;

y = 1200 + 0.015x - - - (eq2)

Substituting 800 + 0.02x for y into eq(2) gives;

800 + 0.02x = 1200 + 0.015x

0.02x - 0.015x = 1200 - 800

0.005x = 400

x = 400/0.005

x = 80000

This means Levi must sell more than 80000 cars per month for the new job to be better than the current job.

6 0
3 years ago
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